1002444221311 has 8 divisors (see below), whose sum is σ = 1079568184464. Its totient is φ = 925322096640.

The previous prime is 1002444221309. The next prime is 1002444221347. The reversal of 1002444221311 is 1131224442001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1002444221311 - 2¹ = 1002444221309 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002444221351) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 800895 + ... + 1626751.

It is an arithmetic number, because the mean of its divisors is an integer number (134946023058).

Almost surely, 2^{1002444221311} is an apocalyptic number.

1002444221311 is a deficient number, since it is larger than the sum of its proper divisors (77123963153).

1002444221311 is an equidigital number, since it uses as much as digits as its factorization.

1002444221311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 919241.

The product of its (nonzero) digits is 1536, while the sum is 25.

Adding to 1002444221311 its reverse (1131224442001), we get a palindrome (2133668663312).

The spelling of 1002444221311 in words is "one trillion, two billion, four hundred forty-four million, two hundred twenty-one thousand, three hundred eleven".